WonderMill makes a line of affordable and competitive manually-operated and electric grain mills, including the acclaimed WonderMill and its successors, the Junior Hand Mill series. WonderMill grain grinders have uses ranging from grinding wheat flour for baking to making homemade granola and cereal, to even grinding fresh nut butters out of raw almonds and peanuts (functions vary by model).

According to the company's Website, the WonderMill electric grain mill is the quietest and fastest unit on the market. WonderMill grinders are capable of grinding fine and coarse grades of flour, as well as processing cereals, granola, corn, rice, and beans. WonderMill grain grinders are available in voltage configurations which adhere to both US and UK standards.